As you can see the reconnect goes on after the fonts stuff. So have
you tried my suggested fix?
Please ignore the kde stuff, that is irrelevant and caused by some
default setting in x2go.
Please try upgrading to 3.5.99.26, there are more than 380 patches
included since 3.5.99.23...
Uli
On Fri, Feb 26, 2021 at 11:26 PM Michael Ashley <m.ash...@unsw.edu.au> wrote:
>
> Hi Uli,
>
> Thanks for your quick response.
>
> The nxagent version on the server is 3.5.99.23. The server is an ancient
> Ubuntu 14.04LTS system. I do have /usr/bin/nxdialog.
>
> Here is my full session.log with the failed font problem:
>
> Session: Session resumed at 'Wed Feb 24 10:53:13 2021'.
> Info: Screen [0] resized to geometry [1920x1170] fullscreen [0].
> Info: Screen [0] resized to geometry [1920x1170] fullscreen [0].
> Info: Screen [0] resized to geometry [1853x1145] fullscreen [0].
> Info: Screen [0] resized to geometry [1919x1145] fullscreen [0].
> Info: Screen [0] resized to geometry [1853x1145] fullscreen [0].
> Session: Suspending session at 'Wed Feb 24 15:38:52 2021'.
> Info: Waiting the cleanup timeout to complete.
> Session: Session suspended at 'Wed Feb 24 15:38:53 2021'.
> Session: Resuming session at 'Wed Feb 24 15:38:55 2021'.
> Info: Proxy running in client mode with pid '3034'.
> Info: Using errors file
> '/tmp/.x2go-mcba/C-mcba-50-1610482047_stDXFCE_dp24/session.log'.
> Info: Using stats file
> '/tmp/.x2go-mcba/C-mcba-50-1610482047_stDXFCE_dp24/C-mcba-50-1610482047_stDXFCE_dp24/stats'.
> Loop: WARNING! Unrecognized session type 'unix-kde-depth_24'. Assuming agent
> session.
> Warning: Unrecognized session type 'unix-kde-depth_24'. Assuming agent
> session.
> Info: Waiting for connection from 'localhost' on socket 'tcp:*:40350'.
> Info: Accepted connection from '127.0.0.1'.
> Info: Connection with remote proxy completed.
> Info: Using WAN link parameters 1408/24/1/0.
> Info: Using agent parameters 5000/5/50/0/0.
> Info: Using cache parameters 4/4096KB/8192KB/8192KB.
> Info: Using pack method '16m-png-9' with session 'unix-kde-depth_24'.
> Info: Using ZLIB data compression 1/1/32.
> Info: Using ZLIB stream compression 1/1.
> Info: No suitable cache file found.
> Info: Listening to X11 connections on display ':50'.
> Info: Established X client connection.
> Info: Using shared memory parameters 1/1/0/0K.
> Info: Not using local device configuration changes.
> nxagentReconnectFailedFonts: WARNING! Font server tunneling not retrieved.
> nxagentReconnectSession: WARNING! Unable to retrieve all the fonts currently
> in use. Missing fonts have been replaced.
> Info: keyboard blocking directory created:
> '/home/mcba/.x2go/C-mcba-50-1610482047_stDXFCE_dp24/keyboard'
> Info: Keycode conversion is off
> Info: re-reading keystrokes configuration
> Warning: Cannot read keystroke file '/home/mcba/.x2go/config/keystrokes.cfg'.
> Info: using keystrokes file '/etc/x2go/keystrokes.cfg'
> Info: ignoring unknown keystroke action 'debug_tree'.
> Info: ignoring unknown keystroke action 'regions_on_screen'.
> Info: ignoring unknown keystroke action 'test_input'.
> Info: ignoring unknown keystroke action 'deactivate_input_devices_grab'.
> Currently known keystrokes:
> close_session : Ctrl+Alt+t
> switch_all_screens : Ctrl+Alt+f
> minimize : Ctrl+Alt+m
> resize : Ctrl+Alt+r
> defer : Ctrl+Alt+e
> ignore : Ctrl+Alt+BackSpace
> force_synchronization : Ctrl+Alt+j
> fullscreen : Ctrl+Shift+Alt+f
> viewport_move_left : Ctrl+Shift+Alt+Left
> viewport_move_up : Ctrl+Alt+Up
> viewport_move_right : Ctrl+Alt+Right
> viewport_move_down : Ctrl+Alt+Down
>
> I don't know why there are references to KDE. I am using xfce.
>
> Regards,
> Michael
>
> On Fri, Feb 26, 2021 at 10:43:40PM +0100, Ulrich Sibiller wrote:
> > On more thing: You can also install the nxdialog package and point the
> > NX_CLIENT variable to /usr/bin/nxdialog. This way you will even see
> > the dialogs! This is how it was intended from the beginning and it is
> > the correct way but unfortunately nobody has fixed that in x2go yet -
> > for years.
> >
> > Uli
> >
> > On Fri, Feb 26, 2021 at 10:40 PM Ulrich Sibiller <ul...@gmx.de> wrote:
> > >
> > > Honestly I have never seen this. Interestingly when those messages
> > > appear it means that the system will NOT stop the reconnect but go
> > > on:
> > >
> > > if (!nxagentReconnectAllFonts(reconnectLossyLevel[FONT_STEP]))
> > > {
> > > if (!nxagentReconnectFailedFonts(reconnectLossyLevel[FONT_STEP]))
> > > {
> > > failedStep = FONT_STEP;
> > > goto nxagentReconnectError;
> > > }
> > > else
> > > {
> > > #ifdef WARNING
> > > fprintf(stderr, "nxagentReconnectSession: WARNING! Unable to
> > > retrieve all the fonts currently in use. "
> > > "Missing fonts have been replaced.\n");
> > > #endif
> > >
> > > nxagentLaunchDialog(DIALOG_FONT_REPLACEMENT);
> > > }
> > > }
> > >
> > > What version of the nxagent package do you have on the server? And
> > > what distribution do you have on the server? Please post the lines
> > > before and after the messages you posted (from
> > > /tmp/.x2go-<user>/C..../session.log)
> > >
> > > Update: after thinking for some time you probably suffer from a bug
> > > that is old indeed: dialogs are displayed using the binary that is
> > > referred to by the NX_CLIENT variable. This variable is set wrong
> > > inside x2go and will call a binary that suspends the session. So to
> > > fix this
> > > do the following on the server (as I don't know what distribution you
> > > are using I do not know where the x2gosuspendagent binary resides, so
> > > please adapt the path accordingly):
> > > 1. mv /usr/bin/x2gosuspendagent /usr/bin/x2gosuspendagent.orig
> > > 2. ln -s /usr/bin/true /usr/bin/x2gosuspendagent
> > >
> > > Unfortunately you will have to fix it again after an update of the x2go
> > > stuff.
> > >
> > > Alternatively you can change the line in x2gosuspendagent that sets
> > > the NX_CLIENT variable. But this will only affect future sessions
> > > while above change will also work for running sessions. You will have
> > > to fix this after an update again, too.
> > >
> > > Hope that helps,
> > >
> > > Uli
> > >
> > >
> > > On Fri, Feb 26, 2021 at 10:07 PM Michael Ashley <m.ash...@unsw.edu.au>
> > > wrote:
> > > >
> > > > Hi folks,
> > > >
> > > > Last week I connected to a long-running x2go session using a different
> > > > computer than I normally do. It worked fine. But later that day when I
> > > > returned to my usual computer, I ran into the bug where the session
> > > > would start up, but then disconnect within about a second, with the
> > > > error messages:
> > > >
> > > > > nxagentReconnectFailedFonts: WARNING! Font server tunneling not
> > > > > retrieved.
> > > > > nxagentReconnectSession: WARNING! Unable to retrieve all the fonts
> > > > > currently in use. Missing fonts have been replaced.
> > > >
> > > > A google search shows that this bug was reported 7 years ago, but no
> > > > solution appears to be forthcoming, apart from trying to adding fonts.
> > > > But with over 1000 fonts on the server, I have no idea how to find
> > > > which ones need adding.
> > > >
> > > > Are there any ideas out there for how to address this problem? It is
> > > > certainly frustrating to be unable to connect to a running x2go
> > > > session, and having to terminate it on the server.
> > > >
> > > > Regards,
> > > > Michael
> > > > _______________________________________________
> > > > x2go-user mailing list
> > > > x2go-user@lists.x2go.org
> > > > https://lists.x2go.org/listinfo/x2go-user
>
> --
> Professor Michael Ashley Department of Astrophysics
> University of New South Wales http://www.phys.unsw.edu.au/~mcba
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